An Experimental Study on Coal Fines Migration during Single Phase Water Flow

Figure 12

The phenomenon found coal fines output. (a) The condition: coal fines size of +300 mesh, flow velocity of 3 mL/min, and confining pressure of 2 MPa. (b) The condition: coal fines size of +300 mesh, flow velocity of 3 mL/min, and confining pressure of 3 MPa.

(a)

(b)